The following issue has been SUBMITTED. 
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http://dbmail.org/mantis/view.php?id=1051 
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Reported By:                idk
Assigned To:                
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Project:                    DBMail
Issue ID:                   1051
Category:                   IMAP daemon
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
target:                      
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Date Submitted:             18-Jul-14 23:00 CEST
Last Modified:              18-Jul-14 23:00 CEST
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Summary:                    LMTP server alters message headers
Description: 
The server adds Return-Path header. GMime library in such case reformat all
the headers. In some cases the headers are altered. It's not good at least
for these reasons:

1) If header line Content-Type is 77 octets long, RFC 2231 is applied as
boundary*0="...", which is form Microsoft Express/Outlook/Live/Mail can't
understand.

2) MS Outlook generates improper From/To/Cc header when non-ASCII
characters is used together with "." such as
=?iso-8859-2?Q?Vlastimil_Janou=B9ek_-_Claro_s.r.o.?= <j...@example.com>.
GMime completely destroys such header when reformated.

3) When the message is signed such DKIM-Signature: v=1; a=rsa-sha256;
c=simple/simple; d=example.com;
s=default;t=1389608114;
bh=C6AYijNsfEWdvsEduoYHBxWKkb32qLrYFGcruVMx5D8=;h=Subject:To:Message-ID:From:Reply-to:Date:MIME-Version:Content-Type;...,
any modifications to To/From... headers will invalidate the signature.

The message should not be altered but added Return-Path header only.

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Issue History 
Date Modified    Username       Field                    Change               
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18-Jul-14 23:00  idk            New Issue                                    
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